车身控制器设计方案PPT.ppt

Door lock + window lift – Centralised Implementation Slide * Power supply and Communication Voltage Regulator CAN or LIN Physical layer Central body MCU Octal serial switch as Relay driver MC33291L SPI Signal conditioning Position feedback for window Anti-pinch 4 ATD Additional INPUTS of the module Additional OUTPUTS of the module Signal conditioning 2 I/O Relay 1 Relay Window lift motor Window lift switches M Signal conditioning Door lock switches 2 I/O H-Bridge Door lock motor M 2 I/O Low end- Architecture Slide * Power Seat (Left) Power Seat (Left) Sunroof Controller Optional Nodes Door Module (FR) Door Module (FL) LIN Mirror (L) Mirror (R) BCU Rear Door Rear Door Rear Lights L Rear Lights R Tail Brake L / R Reverse, Fog Hi level Brake Front Lights L Front Lights R Indicator CAN Keypad Rear Window lift Rear Door lock control Keypad Rear lights Front lights Indicators Wiper Horn Cabin lights Headlights, beam Side lights, fog Door Lock Window Motor drive Window position Keypad Lock motor drive Mirror drive x y Mirror heater Windows Door Lock Window Motor drive Window position Keypad Lock motor drive Mirror drive x y Mirror heater Deadlock Power Window Keypad Dead lock repeater/puddle lamp Mirror Fold Memory Temp sensor Window bar Locks… Deadlock Power Window Keypad Dead lock repeater/puddle lamp Mirror Fold Memory Temp sensor Indicator Indicator Indicator MCU:S12(G)C32 32K Flash, 1xSCI, (1xCAN), GPIO eXswitch: 33887 IDC: 908E624 IDC: 908E621 MSDI: 908E624 IDC: 908E624 IDC: 908E621 IDC: 908E625 IDC: 908E624 IDC: 908E625 Function node Hardwired Bus LIN Cluster: Files Review Start08.c: Startup Code static void Init(void) { /* purpose: 1) zero out RAM-areas where data is allocated 2) init run-time data 3) copy initialization data from ROM to RAM */ asm { ZeroOut: LDA _startupData.nofZeroOuts:1 ; nofZeroOuts INCA STA i:1 ;